Aa Windows 2012 Datacenter edition you have license limitation per CPUs (2CPU) and UNLIMITED VM Instances - not like "some" - 2CPU/2VM copies. For that reason you will find a gift included in the package and invoice respectively, like BRAND NEW or USED 2,5 SAS Hard drive. 1st Class Service, Tracked , Signed , with full cover on top! Additional Licensing Information: Your unique serial number(activation number) which sticker should be attached on the server/workstation. If your Server has more than 2 physical processors you will need additional license.Please search online for Windows_Server_2012_R2_Licensing_Datasheet. For all licensing information you supposed to be aware with. If you plan to deploy Windows Server on Blade Servers. You should consider Volume Licensing, which will reduce the overall licensing cost in most cases. LIFETIME ACTIVATION No return after once the key is used please. The item "Microsoft Windows Server 2012 R2 Datacenter +Gift 5 User CALs worth RPP £160" is in sale since Monday, May 22, 2017. This item is in the category "Computers/Tablets & Networking\Software\Operating Systems".eu" and is located in Norwich. This item can be shipped worldwide.